Adjustable hinge



No. fill/$68. Patented Sept. 27, 18% C. M. ELKINS.

ADJUSTABLE HINGE.

(Applifliwion filed Mar. 29; 1898.)

(Nu'ModeL) o if CHARLES M. ELKINS, OF WVAKEFIELD, MASSACHUSETTS.

ADJUSTABLE HINGE.

SPECIFICATION forming part of Letters Patent No. 61 1,468, datedSeptember 27, 1898. Application filed March 29, 1898. Serial No.675,532. (No model.)

T0 at whom zit may concern:

Be it known that I, CHARLES M. ELKINs, a citizen of the United States,residing at Wakefield, in the county of Middlesex and State ofMassachusetts, have invented new and useful Improvements in Butt-Hinges,of which the following is a specification.

The object of this invention is to provide an adjustable butt-hinge fordoors in order to prevent them from binding at the j amb by reason ofswelling of the wood or otherwise. I'Ieretofore if a door was set tooclose to the jamb or if the butts were not accurately located it wasnecessary to plane off a part of the door or the casing or to remove thedoor from its hinges and the butt from the casing, plug up the oldscrew-holes and form new ones, and then replace the butt, with nocertainty that the door would then hang properly.

By my improvement, without removing the door from its hinges or marringthe paint or wooden surfaces, the desired adjustment of the door withrelation to the jamb may be readily effected. This is accomplished bymeans of the novel construction of the butt giving adjustability to itsparts, as will now 'be described.

The peculiarity of the device is that the leaf of the butt which issecuredtothe door-casing is made in two sections or parallel members,one sliding upon or with relation to the other. The part or memberpermanently fixed to the casing has top and bottom horizontal flanges,forming ways for the movement of the other member, and also a transversecentral opening, with a projecting perforated lugat each end thereof,through which a screw passes, the lugs not being internally threaded.The sliding member of the butt has a central hub or protuberanceextending through the transverse opening in the fixed member andinternally threaded to receive the screw which passes through theunthreaded perforations of the two lugs, such screw being headed at eachend in the outer face of said lugs, so that it cannot move lengthwise.Hence when the screw is turned by a screwdriver applied to its nickedhead its rotation gives a movement forward or back to the sliding memberhaving such threaded hub and of which the socket which receives thepintle of the hinge is also a part. It follows that turning the screwwill move the door on its hinge nearer to or farther from the jamb andease it where too snug or tighten it where too loose, and also that oneor other of the hinges maybe thus adjusted,as desired, without in anycase removing the door from its hinges.

In thedrawings, Figure 1 is an elevation of part of an opened door andits casing connected by my improved butt or hinge. Fig. 2 is a view ofthe same parts in elevation, showing theirposition when the door isclosed. Fig. 3 is a horizontal section on line 3 3 of Fig. 2. Figs. 4:,5, and 6 are respectively front, edge, and back views of the duplex leafor member of the butt by-which adj ustability of the door is attained;and Fig. 7 represents the several parts of the butt detached.

A represents the door, B the edge of the door-casing to which the hingesare secured, and O the jamb or part of the casing against which the faceof the door abuts when closed.

D is one member of the hinge, fixed in the edge of the doorflush withthe surface of the wood and having'the usual pintle d to enter thevertical socket of. the duplex member of the hinge mounted adjustably onthe casing. This duplex member comprises the portion E, formed withrearwardly-extending lugs E at each end of a central opening F. and withtop and bottom flanges e parallel to each other and extending forward toserve as ways for the sliding movement of the adjustable portion. Thisadjustable part of the duplex member consists of the fiat body F, havingat one edge the vertical socket f for the hinge-pintle d and on the backan internallythreaded protuberance F, extending through and somewhatshorter than the opening E between the lugs E. These lugs haveunthreaded perforations in line with the axis of the screw-thread in theprotuberance F, and a screw G, threaded only along its central portion,passes through the alined lugs and protuberance and is providedat eachend witha head G, abutting against the outer face of the lugs. Hencethis screw cannot move lengthwise; but when rotated its central threads,engaging in the threaded hub or protuberance F, move the sliding part F,having the socket f, and consequently carry the door A toward or fromthe jamb O. The

fixed portion E of the duplex member of the hinge is secured to thecasing B by screws H, which are inserted and removed throughcorresponding but enlarged holes h in the sliding part F.

The construction may be somewhat modified without departing from thespirit of my invention, Thus the top and bottom flanges e may bedovetailed or be formed on the sliding part instead of the fixed part ofthe butt, or they may be omitted and the protuberance F have a bearingfor its slight and infrequent movement on the sides of the opening E Iclaim as my invention- 1. A butt-hinge having one duplex membercomprising a fixed portion having a transverse central opening and rigidlugs with unthreaded perforations in alinement at the ends of suchopening, and a sliding portion formed with a rearward protuberanceextending through said opening and internally threaded in line with theperforations .in said lugs, in combination with a screw engagingcentrally in said threaded protuberance, turning freely in said lugs andheaded at each end to prevent longitudinal movement, substantially asset forth.

2. In a butt-hinge, a duplex member consisting of a fixed portion with atransverse central opening, rearward lugs at the ends of said openingand forwardly-extending terminal flanges, in combination with a slidingportion fitting the face and between the flanges of the fixed part andhavinga threaded hub or protuberance working within and of less lengththan said opening, and with an adjusting screw engaging Within saidprotuberance, passing through perforations in said lugs and headed ateach end, substantially as set forth.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

CHARLES M. ELKINS.

Witnesses:

A. H. SPENCER, H. W. LADD.

